Questions tagged [gdm]

GNOME Display Manager (GDM) is a program which provides Ubuntu GNOME's graphical login screen.

Filter by
Sorted by
Tagged with
3 votes
2 answers
915 views

Upgrade from 20.04 to 22.04 fails, missing gdm-password file

I finally tried to upgrade from Ubuntu 20.04 LTS to 22.04 LTS. Unfortunately, update manager fails to complete the process. When I run the update-manager manually I get the following error message: ...
ToniKH's user avatar
  • 41
3 votes
1 answer
615 views

After suspend, on resume, Ubuntu briefly shows content of session before displaying the lock screen [closed]

This happens to me about 10% of the times when I resume my laptop from suspend mode. I feel that this is problematic for privacy because someone physically near my laptop could briefly see what is in ...
Johannes Lemonde's user avatar
3 votes
1 answer
6k views

GNOME Custom Desktop file with icon not showing

I see there are a number of questions regarding icons not showing, going through all of them, I have yet to solve my problem. First, I created a .desktop file according to this spec: [Desktop Entry] ...
CybeX's user avatar
  • 526
3 votes
1 answer
3k views

Change login screen styles in Ubuntu 18.10

To install theme for login screen I need to change /usr/share/gnome-shell/theme/ubuntu.css. But it is not there. What is the alternative for that file in Ubuntu 18.10?
Sharif Minhazul Islam's user avatar
3 votes
2 answers
323 views

Upgraded Ubuntu 17.10 is not quite the same as the newly installed one

My ubuntu 17.10 is running with gnome-shell on Wayland. It was upgraded from ubuntu 16.04 which had already had gnome-shell installed and ubuntu unity removed. The gnome-shell desktop now, however, ...
funicorn's user avatar
  • 3,866
3 votes
1 answer
15k views

How to set unity as default after installing ubuntu-gnome-desktop in Ubuntu 16.04?

Recently I installed gnome-desktop in my Unity Ubuntu 16.04.Now I want to set my Unity desktop environment as default. I installed Gnome by using these commands : sudo apt-get install ubuntu-gnome-...
Rishabh Agrahari's user avatar
3 votes
1 answer
408 views

Why hasn't Ubuntu packaged a more recent version of GDM?

I'm not sure if anyone would have the answer to this, but it seems a little odd to me that Ubuntu doesn't package the latest stable version of gdm considering gnome-shell version 3.4 was packaged in ...
SuperMatt's user avatar
  • 4,003
3 votes
1 answer
686 views

Is "gdmflexiserver" part of the default installation?

While playing around, I discovered a folder in my $PATH that I did not recognize: $ echo $PATH /usr/lib/lightdm/lightdm:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games $ ls /...
TLP's user avatar
  • 3,241
3 votes
1 answer
701 views

How does Ubuntu theme GDM?

I’ve checked a few things already. The file /usr/share/gnome-shell/gnome-shell-theme.gresource is stock GNOME. The directory /etc/gdm3/ contains no mention of “Yaru” or “theme” except for commented ...
schuelermine's user avatar
3 votes
1 answer
2k views

change GNOME 3.36 gdm3 lock screen (screen shield) font colour - what css selector to target in gdm3.css?

I am aware from other posts that you can change e.g. the login screen background by modifying the css selector #lockDialogGroup in gdm3.css that you get when extracting the .gresource binary. What is ...
Zegheim's user avatar
  • 33
3 votes
1 answer
1k views

18.04 `sudo dpkg-reconfigure lightdm` falls back to gdm3 after unity greeter

Situation Ubuntu 18.04.4 LTS ubuntu-desktop 1.417.4 ubuntu-unity-desktop 0.1 lightdm 1.26.0-0ubuntu1 Action Starting off from a GNOME enviroment, I have run sudo dpkg-reconfigure lightdm, chosen ...
XavierStuvw's user avatar
  • 1,441
3 votes
4 answers
3k views

Input devices stop working after logout or switch-user in ubuntu 18.04 LTS

After clicking logout or switch user, once the system reaches the greeter/login screen, input devices -- keyboard, mouse, touchpad -- stop working, making it impossible to login back or shutdown. ...
Ananth Pattabiraman's user avatar
3 votes
1 answer
2k views

CUDA instructions ask to stop GDM but it doesn't exist

I am trying to install and run some CUDA exemples in Ubuntu 12.04. First of all, I downloaded all .run files from http://developer.nvidia.com/cuda-downloads, then followed the instructions at http://...
Gabs's user avatar
  • 31
3 votes
1 answer
1k views

GDM killed on startup

In order to fix a sound issue, I'd completely removed all PulseAudio packages, which removed several additional packages which I hadn't kept track of. I have since added back several packages that ...
Raceimaztion's user avatar
3 votes
1 answer
1k views

How to modify the system default login background image?

Following this, I added a couple of modified background images to the backgrounds collection. Now, I want to select a different background for the login screen. How do I do that? UPDATE: Just tried ...
ysap's user avatar
  • 6,971
3 votes
1 answer
2k views

How to stop the login server?

With GDM removed in Oneiric, what command can I replace from the old command? sudo /etc/init.d/gdm stop I need to install an nvidia .run file and cannot figure out how to stop the server.
user avatar
3 votes
3 answers
2k views

How do I choose the default guest session?

My computer has an ATI card, which supports 3D, but doesn't refresh the screen properly. This is because I use the classic session on 11.04 instead of Unity. That's OK. But when I start a Guest ...
Alba Mendez's user avatar
3 votes
2 answers
2k views

Choosing GDM login window theme via GUI without Ubuntu Tweak

Is there any way to (via the GUI) modify the theme that is used for the GDM login system? I ask because when I installed xubuntu-desktop alongside gnome-desktop the xubuntu-gdm-theme package took ...
Thomas Ward's user avatar
  • 74.4k
3 votes
1 answer
2k views

Screen magnifier wrecks login screen — how to get rid of it?

In the Ubuntu / GNOME login screen, I tried some of the different accessibility settings out of curiosity. Big mistake! Enabling the "use screen magnifier" (or whatever) option breaks down the view ...
Jonik's user avatar
  • 7,178
3 votes
1 answer
732 views

gnome-power-manager is running while trying to log in. How to get rid of it? [closed]

After booting into the ubuntu login screen and clicking on my user name and entering the password, I get a dialog stating that gnome-power-manager is still running. The dialog presents 2 buttons, 1 to ...
koushik's user avatar
  • 5,072
3 votes
1 answer
1k views

gdm.service preventing boot

I'm using Ubuntu Desktop 23.10. I've tried every suggestion in this thread as well as many others online, but I cannot get back into the Ubuntu GUI/GNOME desktop environment. I'm using Ubuntu 23.10 ...
boonslang's user avatar
3 votes
1 answer
227 views

gdm doesn't start after failed attempt to install amdgpu drivers until modprobe amdgpu (Ubuntu 22.04)

Short version: After trying (and failing) to install the AMD radeon proprietary drivers, I uninstalled them and removed the packages it installed, but now: At boot, my graphics card is UNCLAIMED. GDM ...
Peter V. Mørch's user avatar
3 votes
1 answer
7k views

Ubuntu 21.10 - GDM problem - login screen

I just upgrade my desktop from Ubuntu 21.04 to 21.10. Everything works fine! I was happy. But after that, I run a wrong program that will change the background of the graphical login screen to ...
John Lo's user avatar
  • 39
3 votes
1 answer
228 views

Mysterious image on first boot lock screen

I'm using Ubuntu 20.04 and noticed a weird behavior. When I select a wallpaper image, it is selected for both lock screen and background wallpaper, but on every first boot I see a mysterious image. I ...
taq's user avatar
  • 31
3 votes
2 answers
5k views

Black screen after login 18.04

After login into my main account, I get a black screen that lasts up to an hour after which the desktop will usually load and works like normal. zany130@andres-X470-AORUS-ULTRA-GAMING OS: Ubuntu ...
zany130's user avatar
  • 345
3 votes
2 answers
2k views

Ubuntu 18 login loop + startx works

So recently I got stuck in a login loop on Ubuntu 18. I tried some solutions posted here but none of them works for me so far. Here's what I tried by accessing terminal from login screen: Checking ...
fgoudra's user avatar
  • 131
3 votes
1 answer
4k views

Changing the Colour of GNOME (GDM) Login Box on Ubuntu 18.04

I changed the background to an image on my login screen. No problem. However, I want to change the user selection box from orange to something complimentary. How do I do this?
Michelle Brown's user avatar
3 votes
2 answers
1k views

Ubuntu 18.04 - Lock screen issue with GDM3

I have recently upgraded a few of our Ubuntu machines to Ubuntu 18.04. I have managed to configure everything and everything seems to be working fine, apart from the lock screen. It seems that if ...
Oscar's user avatar
  • 299
3 votes
2 answers
6k views

Fingerprint-GUI login ISSUE with new 18.04 LTS

This exact same question was asked here but the community missread and marked inacurately as a duplicate. fingerprint-gui and 18.04 login issue I am also NOT asking HOW TO install. I am asking ...
scope's user avatar
  • 41
3 votes
3 answers
457 views

Upgrade to Ubuntu 17.10 broke login

I upgraded to Ubuntu 17.10 but login is all messed up. Login is "command prompt", or whatever it's called. I have to type in my login credentials then startx to load desktop session. I need a ...
JoeSteiger's user avatar
3 votes
1 answer
3k views

How to change login screen background Ubuntu Gnome 15.10

I'm using Ubuntu Gnome 15.10 and my gdm version is 3.16.2. I know that there are a few different threads here and articles at other websites about customizing the login screen in Ubuntu older version,...
root's user avatar
  • 71
3 votes
1 answer
7k views

X server started with “-nolisten tcp” in spite of DisallowTCP=false in /etc/gdm/custom.conf

I need to configure a X server in Ubuntu 15.04 gnome which should listening for remote connection on port 6000. I configured my gdm as per askubuntu question: How to make X.org listen to remote ...
Jobin's user avatar
  • 151
3 votes
3 answers
6k views

GDM and Lightdm don't work after update; KDM is ok

After updating Ubuntu (apt-get update, apt-get upgrade and apt-get dist-upgrade) last Tuesday, GDM stopped working, and the startup hangs on the Ubuntu logo. Lightdm also don't work (same happens). If ...
Vinícius's user avatar
3 votes
1 answer
2k views

How do I make GDM use the upstream GNOME theme?

I have installed GNOME 3.4 And according to Gnome 3.4,when i reconfigure my display manager to GDM i should get a login screen like this- But when I reconfigure my display manager to GDM my screen ...
Nirmik's user avatar
  • 7,858
3 votes
1 answer
6k views

How do I create a .xession / .xinitrc file to launch the default Xubuntu-Session?

I'm trying to use SLiM instead of GDM as a login manager, but I fail miserably when creating the proper .xsession / .xinitrc file needed by SLiM. How would a proper .xession file look like to start ...
marto's user avatar
  • 1,391
3 votes
1 answer
5k views

How to change Ubuntu 21.04 Orange color? It persists even after changing GTK theme

I use gnome 3.38.5 on ubuntu 21.04. My tweaks setting: basically i wanna change all the orange colour on ubuntu. for example the border of this research form or those of the monitor preview on the ...
dev-perri's user avatar
3 votes
1 answer
2k views

What is the difference between GNOME desktop and Ubuntu in SDDM?

I installed Kubuntu on my machine, and then decided to try the regular GNOME desktop. Thus I installed ubuntu-gnome-desktop and logged in from the welcome screen running SDDM. This has been a ...
Diego-MX's user avatar
  • 608
3 votes
2 answers
1k views

GDM cannot show user after upgrade to 20.04

I just upgraded from 18.04 to 20.04 on my workstation. It uses LDAP authentication. I already have an authenticated user. It used to be shown in GDM prior the upgrade. However after the upgrade only ...
Alper Kanat's user avatar
3 votes
1 answer
5k views

Persistent remapping of keys with setxkbmap or Xorg configuration

I have been wracking my brain over the past week or so with what should be a straight forward problem. I want to permanently swap the CapsLock and Ctrl keys on my laptop. I emphasise the permanently ...
BielsNohr's user avatar
3 votes
1 answer
365 views

GDM3 is programed to start on VT1. Is there a way to change it

I would like to start GDM3 in VT9 (because it is running in a container. I do not want to have a conflict). Is there a way of doing that. Modifying and adding to /etc/gdm/custom.conf FirstVT=9 did ...
user63726's user avatar
  • 714
3 votes
1 answer
3k views

Ubuntu 18.04 autostart script with gdm

How can I start a program/script as root as soon as GDM starts. I need the said program/script to start even before the user has logged in. It needs to start as soon as the GDM login screen shows up. ...
Trinopoty's user avatar
  • 159
3 votes
1 answer
1k views

Scripting the hiding of username on login screen (18.04)

I have a script to set up an ubuntu workstation with standard settings. One of the things it did on 16.04 was hide the usernames from the login screen. Moving to 18.04 and I am having some ...
stonke's user avatar
  • 41
3 votes
4 answers
11k views

Ubuntu 13.10, nVidia Optimus graphics card appears as a secondary display

There are many problems with Optimus, but currently two main problems prevent me from logging in. First; installing nvidia drivers via official repositories results in a blank screen during login. ...
Cofeiini's user avatar
  • 121
3 votes
2 answers
1k views

Ubuntu Studio Login Screen Missing?

Just upgraded my machine to Ubuntu Studio (10.10), and am starting to learn my way around. One thing I noticed off-the-bat is that the GDM login screen promoted on the Studio site is missing (http://...
tom2652's user avatar
  • 31
3 votes
0 answers
605 views

Cannot login second user after "switch user", but can if using Ctrl+Alt+F1

For at least a year or so I have had problems with the "switch user" function on Ubuntu. If I log in (whether as "user1" or "user2") and click "switch user" I ...
Stian Øby Johansen's user avatar
3 votes
1 answer
1k views

Ubuntu 20.04.1 LTS - Mouse removed and added intermittently

update: The same problem occurs in 20.10 with kernel 5.8. I'm having a mouse hiccup that comes and goes where the mouse becomes unresponsive where the device is deleted and added again by UDEV. See ...
bol's user avatar
  • 39
3 votes
0 answers
2k views

Ubuntu 18.04 crashes with EXT4-fs error and systemd-journald

Oct 22 Update: I changed my SSD two weeks ago from LITEON CV3-8D256 to Samsung 970 Evo Plus, and the problem described below hasn't happened since then. I suspect the problem was due to the ...
Simon's user avatar
  • 31
3 votes
0 answers
468 views

How do I make GDM run ~/.xsession? [duplicate]

I need to run my own session script without changing any system files. In older Ubuntu versions I was able to create a ~/.xsession script in my home directory containing all session initialization ...
Fernando Silveira's user avatar
3 votes
0 answers
2k views

Ubuntu 20.04 XDG_SEAT, XDG_VTNR, XDG_SESSION_ID env variables are not set

I set up and installed Ubuntu 20.04 using debootstrap method debootstrap --arch=amd64 --variant=buildd focal ./focal_amd64 http://archive.ubuntu.com/ubuntu/ then installed all the rest. It runs ...
kenn's user avatar
  • 5,154
3 votes
0 answers
302 views

4 seconds delay when switching to another TTY

After pressing Ctrl+Alt+F? to switch to another TTY (both graphical or not) I get a 3-4 seconds delay where I still see the "old" TTY before the screen switches (which is then almost instant). In ...
pLumo's user avatar
  • 26.9k

1
3 4
5
6 7
17